4 IZA Discussion Papers
IZA Discussion Paper No. 17423
forthcoming in: Handbook of Labor Economics, 5
IZA Discussion Paper No. 9901
published in: European Economic Review, 2018, 107, 86–98
IZA Discussion Paper No. 6516
published in: Gerben Bruinsma and David Weisburd (eds), Encyclopedia of Criminology and Criminal Justice, Springer, 2014
IZA Discussion Paper No. 6142